Laravel\Lumen\Testing\CrawlerTrait::see PHP Method

    protected function see($text, $negate = false)
    {
        $method = $negate ? 'assertNotRegExp' : 'assertRegExp';
        $this->{$method}('/' . preg_quote($text, '/') . '/i', $this->response->getContent());
        return $this;
    }